What makes Stepping Stone by Duffy notable?

'Stepping Stone' peaked at number 2 on the UK Singles Chart and was a commercial success across Europe. It also played a crucial role in reinforcing Duffy's image as a leading figure in the revival of soul music during the late 2000s. Released in 2008, 'Stepping Stone' was a follow-up single to Duffy's debut album 'Rockferry,' which had catapulted her to fame. At this point, Duffy was solidifying her presence in the pop and soul scene, following up on significant commercial success with hits like 'Mercy'.